Does anyone know how we can track the rejection emails that were sent to the candidates?

Summary:

Candidates have recieved rejection emails almost a month after they were rejected for certain job requisition and accepted for another one. Is there any table that can be monitored to check who all recived the rejection emails with a timestamp?

Content (required): Rejection emails triggered after a month

Version (include the version you are using, if applicable): 23 A

Code Snippet (add any code snippets that support your topic, if applicable):